Aircraft Noise: Ontario vs Rialto
How do aircraft noise rules compare between Ontario, CA and Rialto, CA?
Ontario and Rialto have similar restriction levels.
Ontario, CA
San Bernardino County
Aircraft noise from Ontario International Airport (ONT) is regulated by the FAA, not the city. ONT runs an FAA Part 150 noise compatibility program; federal preemption bars local restrictions on flights.
View full Ontario rules →Rialto, CA
San Bernardino County
Aircraft in flight are preempted by federal law (49 U.S.C. §40103 / FAA). Rialto Municipal Code Ch. 9.50 (Noise Control) does not regulate in-flight aircraft. Land use around Rialto Municipal Airport (L67) is governed by the Airport Influence Area (AIA) overlay administered by the San Bernardino County Airport Land Use Commission (ALUC).
View full Rialto rules →Key Facts Comparison
| Fact | Ontario | Rialto |
|---|---|---|
| Jurisdiction | FAA federal preemption | - |
| Program | FAA Part 150 noise compatibility | - |
| Airport | Ontario International ONT | - |
| Complaints | ONT noise hotline and online form | - |
| City Role | Land-use controls near airport | - |
| Local airport | - | Rialto Municipal Airport (FAA ID: L67) |
| State CNEL standard | - | 65 dB community boundary (Title 21 CCR §5000 et seq.) |
| Federal preemption | - | 49 U.S.C. §40103; 14 CFR Part 91 |
| Local hook | - | AIA overlay via SB County ALUC Compatibility Plan |
Highlighted rows indicate differences between cities.
Ontario FAQ
Can Ontario restrict aircraft noise at ONT?
No. Federal law preempts local restrictions on aircraft operations. The FAA and airport operator manage noise through the Part 150 program and voluntary procedures.
How do I file an aircraft noise complaint?
Use the Ontario International Airport noise complaint hotline or online portal. Complaints are logged and used to inform Part 150 updates.
Rialto FAQ
Can I report a low-flying plane to Rialto code enforcement?
No. In-flight aircraft are federally preempted. File noise complaints with the FAA Western-Pacific Region or directly with Rialto Municipal Airport management.
Does Rialto have a nighttime airport curfew?
No mandatory curfew. Any new curfew would require FAA Part 161 approval, which is rarely granted.
Compare other topics
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